The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 18, 1978
Filed:
Feb. 02, 1977
Dainippon Ink and Chemicals, Inc., Tokyo, JA;
Abstract
A photocurable resin composition comprising (I) an unsaturated polyester resin obtained by reacting (B) an epoxy compound containing at least about 2 epoxy groups per molecule obtained by reacting metylidene diphenol with .beta.-methylepichlorohydrin or epichlorohydrin, with (C) an unsaturated monobasic acid in the presence or absence of (A) a dicarboxylic acid containing at least 4 methylene groups interposed between the two carboxyl groups, or a carboxyl-terminated oligopolyester obtained by esterifying a saturated or unsaturated dibasic acid with a polyhydric alcohol, (II) a polymerizable vinyl monomer capable of addition polymerization with the unsaturated polyester resin (I), and (III) a photopolymerization initiator having an action of promoting radical polymerization by the irradiation of light.